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Optimization of magneto-mechanical properties to increase the efficiency of actuator elements

 
: Böhm, Andrea; Panesso, Miguel; Pagel, Kenny; Drossel, Welf-Guntram

Heczko, Oleg (Hrsg.) ; Czech Academy of Sciences, Institute of Physics:
6th International Conference on Ferromagnetic Shape Memory Alloys 2019. Book of abstracts : June 2-7, 2019, Prague, Czech Republic
Prague: Czech Academy of Sciences, Institute of Physics, 2019
ISBN: 978-80-905962-9-0
S.150-151
International Conference on Ferromagnetic Shape Memory Alloys (ICFSMA) <6, 2019, Prague>
Englisch
Konferenzbeitrag
Fraunhofer IWU ()
Ni-Mn-Ga+X; processing; microstructure; properties; actuator elements

Abstract
The article focuses on the material class of magnetic shape memory alloys (MSMA). Single crystalline MSM material, which consists of Ni, Mn and Ga, shows large strains under the influence of a magnetic field and is therefore particularly interesting for new applications in energy and automation technology as well as in mechanical engineering. For the further establishment of magnetic shape memory technology, the long-term shortage of the strategically important Ga raw material must be taken into account. The further development of alloys from the point of view of new Ga-reduced MSMA including the subsequent heat treatment still represents an important scientific goal which must be solved for the corresponding properties of actuator elements (modulation, twinning stress, maximum working temperature etc.) and the extensive use of MSMA for a wide range of applications.

: http://publica.fraunhofer.de/dokumente/N-575236.html